WorksheetsLesson 3 Recap - CAD/ ERC/ SPICE
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
What does error-spotting in a schematic help us find?
a)
Wrong resistor values
b)
Missing or incorrect connections
c)
Simulation results
d)
Supplier codes
2.
When capturing a schematic, why must power and ground be clearly shown?
a)
To make the BoM easier
b)
To ensure the circuit is interpreted correctly by the software
c)
To calculate cost automatically
d)
To reduce component count
3.
Which standard defines electronic circuit symbols?
a)
ISO 14001
b)
BS 3939
c)
CE Mark
d)
RoHS
4.
What is the formula for a 555 monostable pulse width?
a)
T = RC
b)
T = 0.7 RC
c)
T = 1.1 RC
d)
T = R ÷ C
5.
Why might simulation results differ from lab measurements?
a)
ERC error
b)
Datasheet compliance
c)
Parasitics, tolerances, and modelling limits
d)
Using the wrong symbol
100 %
